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	Optimum experimental design of a monitoring network for parameter identification at riverbank well fields
	Wang P.; Pozdniakov, S. P.; Shestakov, V. M.
	2015
关键词	Groundwater and surface water interactions Riverbank filtration Riverbed clogging Hydraulic conductivity MODFLOW streambed hydraulic conductivity surface-water interactions bank filtration groundwater recharge modeling surface infiltration aquifer temperature removal systems
英文摘要	A steady-state flow regime in riverbank well fields is often violated by fluctuations in river stages and variations in groundwater extraction. In this study, a criterion of quasi-steady flow during filtration processes at riverbank well fields was introduced. Under the assumption of steady-state flow, an analytical approach for determining the key hydraulic parameters (aquifer transmissivity and riverbed filtration resistance) between a stream and a hydraulically connected aquifer during riverbank filtration was presented. An optimal regular observation network (consisting of the locations of monitoring wells and the observation regime), which is based on the model-oriented approach using an example of a riverbank well field near the Kuybyshev Reservoir, Russia, was designed to minimise the uncertainty in the estimates of hydraulic parameters. The analyses showed that the initial recession in the surface water levels for the simplest constant groundwater withdrawal patterns can be used to determine the key hydraulic parameters; the error in these estimated parameters was less than 7% or 12%, depending on the designed monitoring network. When comparing the two typical monitoring networks, observation line A-A that passes midway through the water supply wells performed better than observation line B-B that passes through the water supply wells when estimating the hydraulic parameters. The results of this study can be used as a reference for designing and optimising a monitoring network that aims to determine the key hydraulic parameters at riverbank well fields. (C) 2015 Elsevier B.V. All rights reserved.
出处	Journal of Hydrology
卷	523
页	531-541
收录类别	SCI
语种	英语
ISSN号	0022-1694
内容类型	SCI/SSCI论文
源URL	[http://ir.igsnrr.ac.cn/handle/311030/38922]
专题	地理科学与资源研究所_历年回溯文献
推荐引用方式 GB/T 7714	Wang P.,Pozdniakov, S. P.,Shestakov, V. M.. Optimum experimental design of a monitoring network for parameter identification at riverbank well fields. 2015.

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